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Single and Multiwavelength All-Optical Clock Recovery Using Fabry–PÉrot Semiconductor Optical Amplifier

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4 Author(s)
Fei Wang ; Wuhan Nat. Lab. for Optoelectron., Huazhong Univ. of Sci. & Technol., Wuhan, China ; Yu Yu ; Xi Huang ; Xinliang Zhang

We experimentally demonstrate an all-optical clock recovery scheme for the return-to-zero data with single- and multiwavelength. This scheme is mainly based on clock-like pulse generation from an active filter with a multiquantum-well Fabry-Perot semiconductor optical amplifier and amplitude-equalization with self-nonlinear polarization switching. We obtain stable and low jitter optical clock signals in single and dual channels using this scheme, which has some distinct advantages including easy integration, free preamplification, convenient tuning, good tolerance to long ldquo0srdquo data, and greater tolerance to the stability of the input wavelength.

Published in:

Photonics Technology Letters, IEEE  (Volume:21 ,  Issue: 16 )